EP0670547B1 - Méthode de traitement de données et système utilisant cette méthode - Google Patents

Méthode de traitement de données et système utilisant cette méthode Download PDF

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Publication number
EP0670547B1
EP0670547B1 EP95301261A EP95301261A EP0670547B1 EP 0670547 B1 EP0670547 B1 EP 0670547B1 EP 95301261 A EP95301261 A EP 95301261A EP 95301261 A EP95301261 A EP 95301261A EP 0670547 B1 EP0670547 B1 EP 0670547B1
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EP
European Patent Office
Prior art keywords
shared
data
region
computer
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95301261A
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German (de)
English (en)
Other versions
EP0670547A2 (fr
EP0670547A3 (fr
Inventor
Tsuneyoshi C/O Canon K.K. Takagi
Yuichi C/O Canon K.K. Bannai
Hiroaki C/O Canon K.K. Sato
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Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6034557A external-priority patent/JPH07244720A/ja
Priority claimed from JP6177919A external-priority patent/JPH0844517A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0670547A2 publication Critical patent/EP0670547A2/fr
Publication of EP0670547A3 publication Critical patent/EP0670547A3/fr
Application granted granted Critical
Publication of EP0670547B1 publication Critical patent/EP0670547B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/543—User-generated data transfer, e.g. clipboards, dynamic data exchange [DDE], object linking and embedding [OLE]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces

Definitions

  • This invention relates to a data processing method and a system using the method for sharing data when, for example, a plurality of users perform editing operations.
  • FIGS. 5(a) and 5(b) illustrate such a cut-and-paste operation in the prior art.
  • an object on a personal window 5a-1 of system A is cut and is then pasted onto a personal window 5b-1 of system B.
  • the object cut in system A is pasted onto a shared window 5a-3 of system A.
  • the object also appears on a shared window 5b-3 of system B.
  • the object on the shared window 5b-3 is cut in system B, and the cut object is pasted onto the personal window 5b-1 of system B.
  • the object on the personal window 5a-1 of system A is pasted onto the personal window 5b-1 of system B.
  • the present invention simplifies processes in an editing operation by providing a buffer which can be referred to from a plurality of systems.
  • the present invention provides a data processing method and a system using the method in which by performing control of registering or reading information, which is assigned to be cut or pasted, as clipped information locally held by a system or shared by clipped information shared by systems by determining a kind of storage or reading of the information, the information assigned to be cut or pasted can be efficiently registered or read as the shared clipped information locally held by the system or clipped information shared by the systems with a small number of operation instructions.
  • the present invention comprises, a plurality of computer apparata, each apparatus having local memory, and shared memory, a method comprising the steps of: monitoring an input for receipt of a request for selection of a desired data region in the local memory of one of said computer apparata; on receipt of a request, the steps of: assigning a memory storage location within said shared memory for storage of data of the selected region; and storing said data in said memory storage location within said shared memory.
  • the present invention comprises a computer system comprising a plurality of computer apparata and shared memory, each computer apparatus having local memory, the system further comprising: means for monitoring an input for receipt of a request for selection of a desired data region of local memory of one of said computer apparata; means for assigning, on receipt of a request by said monitoring means, a memory storage location within said shared memory for storage of said selected region; means for storing, on receipt of a request by said monitoring means, data in said memory storage location in said shared memory; and means for transferring, on receiving a request for transfer, data contained in the shared memory to another of said computer apparata.
  • the present invention comprises computer apparatus for use in a computer system, comprising: local memory means for storing data locally; monitoring means for monitoring an input for receipt of a request for selection of a desired data region in the local storage means; means, responsive to a request for selection, for assigning a storage location in a shared storage means of the computer system for storage of data of the selected region; and means, responsive to a request for selection, for transferring said data of said selected region to said storage location.
  • FIG. 1 is a block diagram illustrating a data processing system according to a first embodiment of the present invention. This system very well represents characteristics of the present invention.
  • an input unit 10 comprises a keyboard for inputting commands, a pointing device (mouse) for performing operations on a picture surface, and the like.
  • a command analysis unit 20 analyzes a command and transmits controls of corresponding processing to respective control units.
  • An object assigning unit 22 assigns an object to be cut or pasted.
  • a cutting processing unit 24 performs cutting processing of data.
  • a pasting processing unit 26 performs pasting processing of data.
  • a working memory 30 is used by the user.
  • a picture surface information region 32 in the working memory 30 stores information to be output to the picture surface of a display unit 50.
  • An assigned object information region 34 in the working memory 30 stores information relating to the assigned object.
  • a nonshared clipboard region 36 in the working memory 30 stores information relating to a clipboard locally used by each system.
  • a shared clipboard region 38 in the working memory 30 stores information relating to a shared clipboard which can be commonly used by respective systems.
  • Each of the working memory 30, the picture surface information region 32, the nonshared clipboardre region 36, the shared clipboard region 38 comprises a storage medium, such as a RAM (random access memory) or the like, whose size and addresses are controlled by a system program (not shown).
  • a shared clipboard communication unit 40 exchanges information of the shared clipboard with other systems. The information of the shared clipboard is transmitted to other systems by communication via a network.
  • Reference numeral 12 represents a communication network for communicating with shared clipboard communication units of other systems.
  • the data processing system includes the nonshared clipboard region 36 for locally referring to cut information used when cutting and pasting an object on a picture surface using the input unit 10, comprising the keyboard, the mouse and the like, and the shared clipboard region 38 for referring to cut information while sharing it with other systems.
  • the use of the shared clipboard region 38 and the use of the nonshared clipboard region 36 in a cutting operation and a pasting operation is controlled by programs.
  • FIG. 2 is a flowchart illustrating procedures of a cutting operation in the above-described system. First, procedures of a cutting operation will be described with reference to FIGS. 1 and 2.
  • the shared clipboard communication unit 40 Upon reception of notification from another system that the information of the shared clipboard region 38 has been updated, the shared clipboard communication unit 40 writes the received information in the shared clipboard region 38.
  • FIG. 3 is a flowchart illustrating procedures of a pasting operation performed by the system of the first embodiment. The procedures of the pasting operation will be described with reference to FIGS. 1 and 3.
  • step S44 When the communication unit 40 has received the communication from the other system in step S43, it is determined in step S44 if the contents of the shared clipboard region 38 have been updated. If the result of the determination is negative, the process proceeds to step S32. If the result of the determination is affirmative, in step S45, the communication unit 40 updates the contents of the shared clipboard region 38 by writing the received contents therein, and the process proceeds to step S32.
  • FIG. 6 illustrates the cut-and-paste operation using the shared clipboard in the first embodiment.
  • an object on the personal window of system A is pasted to the personal window of system B.
  • system A the object on the personal window is cut and is then pasted onto the shared window.
  • a shared cutting buffer which can also be referred to from system B is used as a buffer where the cut data is temporarily stored.
  • System B pastes the contents of the shared cutting buffer onto its personal window.
  • the object on the personal window of system A can be pasted onto the personal window of system B without being modified.
  • a desired portion of data used in another system can be added to a desired position of desired data only by performing a single cut-and-paste operation, as in the case of an ordinary operation. Accordingly, it is only necessary to perform a single cut-and-paste operation, and it is unnecessary to perform an operation of calling a shared window and to display the shared window, so that a necessary display is not concealed by unnecessary data. In addition, data, which is unnecessary for shared data, displayed on the shared window will not remain.
  • the operation can be performed without warrying that the contents of the shared cutting buffer are changed by other systems.
  • FIG. 4 is a diagram which very well represents characteristics of a system according to a second embodiment of the present invention.
  • reference numeral 10 represents an input unit 10 for inputting commands and the like.
  • a command analysis unit 20 analyzes a command and transmits controls of corresponding processing to respective processing units.
  • An object assigning unit 22 assigns an object to be subjected to a cut-and-paste operation.
  • a cutting processing unit 24 performs cutting processing of data.
  • a pasting processing unit 26 performs a pasting processing of data.
  • Reference numeral 60 represents a shared memory.
  • a shared clipboard region 62 in the shared memory 60 stores information relating to a shared clipboard.
  • Reference numeral 70 represents a local memory.
  • a picture surface information region 72 in the local memory 70 stores information output to the picture surface of a display unit 50.
  • An assigned object information region 74 in the local memory 70 stores information relating to the assigned object.
  • a nonshared clipboard region 76 in the local memory 70 stores information relating to a clipboard which is locally used in each system. Since information of the shared clipboard is stored in the shared memory 60, the shared clipboard region 62 can be referred to from other processors via a shared bus.
  • Reference numeral 64 represents reference/writing from other processors.
  • a broken-line frame 100 represents a local system which operates independently.
  • FIG. 8 illustrates a system in which local systems 100a and 100b and the shared memory 60 are connected through a shared bus 110.
  • FIG. 2 is a flowchart illustrating procedures of a cutting operation according to the second embodiment. First, the procedures of the cutting operation will be described with reference to FIGS. 4 and 2.
  • FIG. 3 is a flowchart illustrating procedures of a pasting operation performed by the system of the second embodiment. The procedures of the pasting operation will be described with reference to FIGS. 4 and 3.
  • the operation can be performed in the same manner as in the case of an ordinary cut-and-paste operation, and therefore it is unnecessary to perform the operation via additional processes and data.
  • any other operation such as a copying operation or the like, of moving data between a plurality of different systems, which is similar to the cut-and-paste operation, can also be performed in the same manner as described above.
  • the moving/copying processing can be performed by providing a clipboard in a shared memory and performing the processing via the clipboard, as in the above-described embodiments. In such cases, it is unnecessary to peform the processing via communication and that the shared memory is physically independent.
  • Each user is logically and virtually independent, and a memory allocated to each user can be considered as a nonshared local memory.
  • the processing can be performed by the same configuration and processing procesures as in the above-described embodiments.
  • the present invention may be applied to a system comprising a plurality of apparatuses, or to an apparatus comprising a single unit.
  • the present invention may, of course, be applied to a case in which the object of the invention is achieved by supplying a system or an apparatus with programs.
  • the configuration of a data processing system according to a third embodiment of the present invention is the same as that shown in FIG. 1. Hence, a description of the configuration will be omitted.
  • FIGS. 10(a) and 10(b) are flowcharts illustrating the processing of the data processing system of the third embodiment: FIG. 10(a) corresponds to cutting operation procedures when using a shared clipboard; and FIG. 10(b) corresponds to cutting operation procedures when not using the shared clipboard.
  • step S101 When using the shared clipboard, in step S101, a region to be cut is assigned by dragging the pointer of the mouse or the like, serving as the input unit 10, or by position assignment by an input operation through the keyboard.
  • the command analysis unit 20 upon reception of the assignment, transmits a cut region assigning processing command to the cutting processing unit 24.
  • step S102 data is stored in the assigned object information region 34.
  • the cutting processing unit 24 Upon the assignment of the region to be cut, stores data within the region in the assigned object information region 34.
  • step S103 information to be cut is clipped.
  • the region to be cut assigned in step S101 is clipped by the mouse or the like, serving as the input unit 10, and is then dragged to a shared clipboard window CWB using the mouse or the like, serving as the input unit 10.
  • FIG. 11 is a schematic diagram illustrating cut-and-paste processing in which the shared clipboard region 38 shown in FIG. 1 is used.
  • FIG. 11 upon starting the shared clipboard CWB, it appears.
  • a part of the object on a window WA is assigned as a region to be cut AR, and cut information CI of the region is moved to the shared clipboard window CWB.
  • the cutting processing unit 24 stores the contents of the assigned object information region 34 in the shared clipboard region 38 (step S105).
  • step S106 the cutting processing unit 24 updates the shared clipboard region 38. At the same time, the contents of the display on the shared clipboard window CWB is updated.
  • the communication unit 40 monitors the shared clipboard region 38 and transmits the contents of the shared clipboard region 38 to other systems when the contents have been updated (step S107), and the process is terminated.
  • a region to be cut is assigned by dragging the pointer of the mouse or the like, serving as the input unit 10, or by position assignment by an input operation through the keyboard (step S111).
  • the command analysis unit 20 upon reception of the assignment, transmits a cut region assigning processing command to the cutting processing unit 24. Then, the data is stored in the nonshared clipboard region 36 (step S112), and the process is terminated.
  • FIGS. 12(a) and 12(b) are flowcharts illustrating pasting operation procedures of the data processing system of the third embodiment: FIG. 12(a) corresponds to pasting operation procedures when using the shared clipboard; and FIG. 12(b) corresponds to pasting operation procedures when not using the shared clipboard.
  • the command analysis unit 20 transmits the instruction to the pasting processing unit 26.
  • either a buffer in the shared clipboard region 38 or a buffer in the nonshared clipboard region 36 locally held by the user's system is used. Accordingly, when not using the shared clipboard, information to be cut is clipped from the nonshared clopboard region 36 (step S211).
  • the assignment is performed by an ordinarily used approach, such as an assigning operation of a menu by the mouse or the like, serving as the input unit 10.
  • the contour of the clipped information appears on the picture surface of the display 50 in a state of being clipped by the mouse or the like, serving as the input unit 10.
  • the pasting processing unit 26 provides the contour of the cut information based on the contents of the nonshared clipboard region 36 or the shared clipboard region 38.
  • step S212 the position where the data is to be pasted is assigned (step S212), the result of the pasting operation is displayed (step S213), and the process is terminated.
  • step S201 When the communication unit 40 has received the updating of the contents of the shared clipboard from the other system (step S201), it is determined if the contents of the shared clipboard region 38 have been updated (step S202). If the result of the determination is negative, the process proceeds to step S205. If the result of the determination is affirmative, the communication unit 40 updates the contents of the shared clipboard region 38 by writing the received contents therein (step S203). Thereafter, the information to be cut clipped in step S202 or S203 is dragged using the mouse or the like, serving as the input unit 10, and the position where the data is to be pasted is then determined. After the position has been determined, the pasting processing unit 26 places the cut information on the display memory by clicking the mouse or the like, serving as the input unit 10.
  • step S204 the result of the pasting operation is displayed on the display unit 50 (step S204). That is, upon the updating of the shared clipboard region 38, the contents of the shared clipboard window CWB are updated.
  • step S205 the information to be cut is clipped from the shared clipboard region 38.
  • the object on the shared clipboard window CWB is clipped by the mouse.
  • step S206 the position where the data is to be pasted is assigned (step S206)
  • step S207 the result of the pasting operation is displayed (step S207), and the process is terminated.
  • FIG. 13 is a schematic diagram illustrating a cut-and-paste operation using the shared clipboard region 38 shown in FIG. 1.
  • a pasting operation is performed by clipping the object on the shared clipboard window CWB by the mouse, dragging the clipped object to the position where the object is to be pasted (in the direction of the thick arrow), and then clicking the mouse.
  • the present invention may be applied to a system comprising a plurality of apparatuses, or to an apparatus comprising a single unit.
  • the present invention may, of course, be also applied when the object of the invention is achieved by supplying a system or an apparatus with programs.
  • the present invention has features in that, for example, information assigned to be cut or pasted can be efficiently registered or read as clipped information locally held by a system or as shared clipped information shared by systems with a small number of operation instructions.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)

Claims (11)

  1. Dans un système d'ordinateurs comprenant une pluralité d'appareils (100) formant ordinateur, chaque appareil (100) comportant une mémoire locale (70) et une mémoire partagée (60), procédé comprenant les étapes consistant :
    à surveiller une entrée pour réception d'une demande pour choix d'une région de données de la mémoire locale (70) de l'un desdits appareils (100) formant ordinateur ;
    à la réception d'une demande, les étapes consistant :
    à affecter un emplacement (62) de stockage en mémoire à l'intérieur de ladite mémoire partagée (60) pour stockage des données de la région choisie ; et
    à stocker lesdites données dans ledit emplacement (62) de stockage en mémoire à l'intérieur de ladite mémoire partagée (60).
  2. Procédé selon la revendication 1, dans lequel chacun desdits appareils (100) contient une copie de ladite mémoire partagée (60), le procédé comprenant en outre les étapes consistant :
       à effectuer une transmission entre lesdits appareils en réponse à un changement du contenu de la mémoire partagée (60) pour maintenir la cohérence entre lesdites copies.
  3. Procédé selon la revendication 1, dans lequel ladite mémoire (60) est en communication avec chacun desdits appareils (100) au moyen d'un bus partagé (110).
  4. Procédé selon l'une quelconque des revendications précédentes, comprenant en outre les étapes consistant à surveiller une entrée pour réception d'une demande destinée à transférer des données de ladite mémoire partagée (60) à un autre desdits appareils (100) formant ordinateur ; et
    à la réception d'une demande de transfert,
    à transférer les données contenues dans ladite mémoire partagée (60) vers un autre dit appareil (100) formant ordinateur.
  5. Système d'ordinateurs comprenant une pluralité d'appareils (100) formant ordinateur et une mémoire partagée (60), chaque appareil (100) formant ordinateur comportant une mémoire locale (70), le système comprenant en outre :
    un moyen (10) destiné à surveiller une entrée pour réception d'une demande destinée à choisir une région de données de mémoire locale (70) de l'un desdits appareils (100) formant ordinateur ;
    un moyen destiné à affecter, à la réception d'une demande par ledit moyen (10) de surveillance, un emplacement (62) de stockage en mémoire à l'intérieur de ladite mémoire partagée (60) pour stockage de ladite région choisie ;
    un moyen destiné à stocker, en réponse à une demande dudit moyen (10) de surveillance, des données dans ledit emplacement (62) de stockage en mémoire de ladite mémoire partagée (60) ; et
    un moyen destiné à transférer, à la réception d'une demande de transfert, des données contenues dans la mémoire partagée (60) vers un autre desdits appareils (100) formant ordinateur.
  6. Système selon la revendication 5, dans lequel la mémoire partagée (60) est située dans chaque appareil (100) formant ordinateur, le système comprenant en outre un moyen destiné à maintenir la cohérence entre informations stockées dans la mémoire partagée (60) de chaque appareil (100) formant ordinateur.
  7. Système selon la revendication 5, incluant un moyen de communication destiné à établir une communication entre la mémoire partagée (60) et chaque appareil (100) formant ordinateur.
  8. Appareil formant ordinateur destiné à être utilisé dans un système d'ordinateurs, comprenant :
    un moyen de mémorisation locale destiné à stocker localement des données ;
    un moyen de surveillance destiné à surveiller une entrée en ce qui concerne la réception d'une demande destinée à choisir une région de données dans le moyen de stockage local ;
    un moyen, sensible à une demande de choix, destiné à affecter un emplacement (62) de stockage dans un moyen (60) de stockage partagé du système d'ordinateurs pour stocker des données de la région choisie ; et
    un moyen, sensible à une demande de choix, destiné à transférer lesdites données de ladite région choisie audit moyen (62) de stockage.
  9. Appareil formant ordinateur selon la revendication 8, dans lequel le moyen (60) de stockage partagé comprend, dans l'appareil, un moyen destiné à stocker des données d'une manière partagée et un moyen destiné, en utilisation, à communiquer avec le moyen de stockage d'un autre appareil formant ordinateur pour maintenir la cohérence entre lesdits moyens de stockage.
  10. Programme d'ordinateur mémorisé dans un support de stockage lisible en ordinateur, le programme incluant des instructions implantables en ordinateur pour configurer un système d'ordinateurs pour fonctionner selon le procédé de l'une quelconque des revendications 1 à 4.
  11. Programme d'ordinateur exécuté à la réception d'un signal recevable en ordinateur, le programme incluant des instructions implantables en ordinateur pour configurer un système d'ordinateurs pour fonctionner selon le procédé de l'une quelconque des revendications 1 à 4.
EP95301261A 1994-03-04 1995-02-28 Méthode de traitement de données et système utilisant cette méthode Expired - Lifetime EP0670547B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP34557/94 1994-03-04
JP6034557A JPH07244720A (ja) 1994-03-04 1994-03-04 データ処理方法およびそれを用いたシステム
JP3455794 1994-03-04
JP6177919A JPH0844517A (ja) 1994-07-29 1994-07-29 データ処理システム及びデータ処理システムのデータ処理方法
JP17791994 1994-07-29
JP177919/94 1994-07-29

Publications (3)

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EP0670547A2 EP0670547A2 (fr) 1995-09-06
EP0670547A3 EP0670547A3 (fr) 1996-05-01
EP0670547B1 true EP0670547B1 (fr) 2000-11-08

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DE69519314T2 (de) 2001-04-26
EP0670547A2 (fr) 1995-09-06
US5926633A (en) 1999-07-20
EP0670547A3 (fr) 1996-05-01
DE69519314D1 (de) 2000-12-14

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